Blade damper

Details Blade damper Blade damper

2005-08-23

2005-08-23

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

C416S500000

Reexamination Certificate

active

06932575

ABSTRACT:
A turbomachine blade damper has a damper member with first and second damping surfaces for respectively engaging first and second surfaces of adjacent first and second blades. The damper has a seal having a first portion engaged in the damper member to resist relative movement of the seal in at least one direction and a second portion engaging at least one of the blades and advantageously forming a seal to resist upstream gas infiltration.

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patent: 5226784 (1993-07-01), Mueller et al.
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patent: 5369882 (1994-12-01), Dietz et al.
patent: 5478207 (1995-12-01), Stec
patent: 5513955 (1996-05-01), Barcza
patent: 5827047 (1998-10-01), Gonsor et al.
patent: 1167691 (2002-01-01), None
patent: 402095702 (1990-04-01), None

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